ANNUNCIATOR SYSTEM WITH DIGITAL MEANS FOR SELECTING INDIVIDUAL MESSAGE ELEMENTS FOR THE SYNTHESIS OF AN AUDIO MESSAGE
United States Patent 3538264

Inventors:
Dyke, William Van D.
Publication Date:
11/03/1970
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Assignee:
MC DONNELL DOUGLAS CORP
Primary Class:
360/12
Other Classes:
340/970, 340/977, 340/692, 340/524
International Classes:
G08B3/00; G08B21/00; G11B23/18; G11B23/18; G08B21/00; G08B3/00




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